US Bridges

KY-1780 over Mid-Fk Ky Rvr

PoorPosted for load

Leslie County, Kentucky · .01 Miles W of JCT KY2058 · Structure no. 066B00026N

Built
1968
57 years old
Condition
Poor
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
153
2022 count
Owner
State
State Highway Agency

About this bridge

KY-1780 over Mid-Fk Ky Rvr is a prestressed concrete box beam or girders - multiple carrying KY-1780 over Mid-Fk Ky Rvr in Leslie County, Kentucky. It was built in 1968, so it is 57 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 153 vehicles a day, projected to reach 153 by 2042. The structure is 60 ft (18.3 m) long and 24 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesKY-1780
CrossesMid-Fk Ky Rvr
Location.01 Miles W of JCT KY2058
RouteState Highway 1780
Coordinates36.92388, -83.4472
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating24.3 US tons
Inventory rating14.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length60 ft (18.3 m)
Longest span29 ft (8.8 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic153 (2022)
Projected traffic153 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-1780 over Mid-Fk Ky Rvr built?

It was built in 1968, making it 57 years old in 2025.

What condition is KY-1780 over Mid-Fk Ky Rvr in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does KY-1780 over Mid-Fk Ky Rvr carry?

About 153 vehicles per day (2022 count).

How long is KY-1780 over Mid-Fk Ky Rvr?

The structure is 60 ft (18.3 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.

Who owns KY-1780 over Mid-Fk Ky Rvr?

It is owned by the State Highway Agency.